Gold Recovery Activated Carbon Price: How to Compare Quotes

Gold Recovery Activated Carbon Price: How to Compare Supplier Quotes

Why Gold Recovery Carbon Quotes Are Hard to Compare

You send the same RFQ to five suppliers. Five quotes come back. The prices range from $1,400 to $3,200 per ton. One looks like a bargain. Another looks like highway robbery.

Neither impression is necessarily correct.

The problem isn't that suppliers are dishonest (though some are). The problem is that activated carbon for recuperação de ouro isn't a commodity with a single standard. Different suppliers quote different specs, different test methods, different particle sizes, and different trade terms. Comparing those quotes directly is like comparing airfares when one includes baggage and the other doesn't.

This guide gives you a systematic method to normalize supplier quotes so you're comparing the same product on the same terms — and a framework to calculate which quote actually costs less when the carbon is running in your CIL or CIP circuit.

The Six Variables You Must Align Before Comparing Price

Before you look at the dollar figure on any quote, check whether these six variables match across all suppliers. If they don't, you're not comparing the same product.

1. Raw Material Base

Coconut shell and coal-based activated carbon are fundamentally different products for gold recovery. Coconut shell carbon dominates CIL/CIP circuits because its micropore structure gives higher gold loading capacity and its hardness survives more reactivation cycles. Coal-based carbon works in CIC column applications where mechanical stress is lower.

Variable Casca de coco Coal-Based
Typical FOB China price range $2,800–4,500/ton $450–1,800/ton
Best suited for CIL / CIP circuits CIC columns
Reactivation cycles (typical) 100–200+ 50–100
Attrition loss per cycle 0.5–2% 3–5%

If one supplier quotes coconut shell and another quotes coal-based without specifying, the price gap means nothing. Confirm raw material base on every quote.

2. Particle Size (Mesh)

Gold recovery operations typically use 6×12 mesh (1.7–3.35 mm). Some suppliers quote 6×16 or 8×16 mesh, which is a different product with different screening yield and different behavior on your inter-stage screens.

A quote for 8×16 mesh at $2,600/ton is not cheaper than a quote for 6×12 mesh at $2,800/ton — it's a different product. Your plant screens are designed for a specific size range. Using the wrong mesh creates operational problems that cost far more than any per-ton savings.

Align all quotes to the same mesh specification before comparing.

3. Testing Standards and Methods

This is where most quote comparisons go wrong. The same parameter — iodine number, hardness, ash content — can give different values depending on which test method is used.

Parâmetro ASTM Method Chinese GB Method Typical Difference
Número de iodo ASTM D4607 GB/T 7702.7 GB results often 50–100 mg/g higher
Dureza ASTM D3802 (ball-pan) GB/T 7702.3 (vibration) GB results can be 1–3% higher
Teor de cinzas ASTM D2866 GB/T 7702.15 Generally comparable
Umidade ASTM D2867 GB/T 7702.1 Generally comparable

A supplier quoting iodine 1200 mg/g by GB method and a supplier quoting 1100 mg/g by ASTM D4607 may be offering carbon of similar actual quality. If you compare the numbers at face value, you'll overpay for the higher number or reject a perfectly good product.

What to do: Specify ASTM methods in your RFQ. If a supplier provides GB results, ask them to also test by ASTM — or apply the approximate conversion. For critical purchases, require independent third-party testing (SGS, Bureau Veritas, Intertek) on a composite sample from the production batch.

4. Minimum Specifications vs. Typical Values

Some suppliers quote minimum guaranteed specs. Others quote "typical" or "average" values. There's a big difference.

A guaranteed minimum of iodine ≥1050 mg/g means every batch will meet or exceed that number, and you have grounds for rejection if it doesn't. A "typical" value of 1100 mg/g means that's what they usually achieve — but you might receive 1020 one time and 1180 the next.

When normalizing quotes, compare guaranteed minimums to guaranteed minimums. If a supplier only provides typical values, ask what their minimum guarantee is. If they won't commit to a minimum, that tells you something about their process control.

huamei activated carbon package 25kg bags

5. Packaging and Loading

Packaging affects your total landed cost more than most buyers realize.

Packaging Type Weight per 20GP Container Weight per 40GP Container Typical Extra Cost
25 kg PP woven bags 12–13 tons 24–26 tons Included (standard)
500 kg / 1,000 kg jumbo

bags (FIBC)

 13–14 tons 26–28 tons $30–60/ton extra
Loose bulk (lined container) 14–15 tons 28–30 tons May save $20–40/ton

Jumbo bags maximize container utilization and reduce handling labor at your site. A quote in 25 kg bags at $2,700/ton may actually cost more per ton delivered than a quote in jumbo bags at $2,760/ton — because you fit more carbon per container and spend less on port handling.

Make sure all quotes specify the same packaging, or adjust for the difference.

6. Trade Terms (Incoterms)

An FOB Xiamen quote and a CIF Dar es Salaam quote cannot be compared directly. You need to normalize everything to the same delivery point.

Common Incoterms for activated carbon from China:

Incoterm What's Included Who Bears Freight Risk
EXW (factory) Product only Buyer
FOB (port) Product + inland transport + export customs Buyer from port onward
CIF (destination port) Product + freight + insurance Seller to destination port
CFR (destination port) Product + freight (no insurance) Seller to destination port

Most Chinese activated carbon suppliers quote FOB China port. If you're comparing an FOB quote against a CIF quote, add your estimated freight and insurance to the FOB price. In 2026, ocean freight from China to East African ports typically runs $1,500–3,000 per 20GP container depending on route and season.

Huamei team with international client giving thumbs-up after factory visit, and shipping container fully loaded with orange bulk bags of activated carbon for export

What Your RFQ Should Include

A well-structured RFQ gets you better, more comparable quotes. Include these details:

RFQ Item Why It Matters Example
Application / circuit type Tells the supplier which grade to quote CIL plant, 3,000 tpd throughput
Required specs with test methods Eliminates test method ambiguity Iodine ≥1050 (ASTM D4607),

Hardness ≥98% (ASTM D3802)
Particle size Must match your screen openings 6×12 mesh (Tyler)
Raw material requirement Prevents coal/coconut mix-ups 100% coconut shell, no blending
Annual volume estimate Unlocks volume pricing ~120 tons/year in 3–4 shipments
Preferred packaging Enables like-for-like comparison 1,000 kg jumbo bags, palletized
Delivery Incoterm and port Normalizes logistics cost CIF Dar es Salaam or FOB Xiamen
Quality verification requirement Confirms accountability Pre-shipment SGS composite sampling
Payment terms expectation Affects total cost 30% T/T deposit, 70% against B/L copy

The more specific your RFQ, the less room for suppliers to quote non-comparable products. Vague RFQs like "please quote activated carbon for gold recovery" guarantee you'll get five quotes for five different products.

Red Flags in Gold Recovery Carbon Quotes

Watch for these warning signs when evaluating supplier responses:

No test method specified. A quote that says "Iodine: 1200" without specifying ASTM or GB is meaningless. The number could be accurate by one method and inflated by another.

Only typical values, no guaranteed minimums. If a supplier won't commit to minimum specs in writing, they can't control their production process consistently.

No K value (gold activity) data. Iodine number alone doesn't predict gold adsorption performance. A supplier who can't provide K value or R value testing hasn't validated their product for gold recovery — they're selling generic carbon at a gold-grade price.

Price significantly below market range. In 2026, FOB China pricing for quality coconut shell gold recovery carbon (6×12 mesh, iodine ≥1050 ASTM, hardness ≥98% ASTM) falls between $2,800 and $3,800 per ton. A quote at $1,800 for "gold-grade coconut shell" likely means one of three things: lower specs than claimed, coal-based carbon mislabeled as coconut shell, or a loss-leader that won't be repeated on the second order.

Unwillingness to allow pre-shipment third-party inspection. Any manufacturer confident in their product will welcome SGS or Bureau Veritas verification. Resistance to third-party testing is the clearest signal to walk away.

No production batch traceability. A manufacturer should be able to trace your specific bags back to a production batch with matching test records. Traders often can't do this because they aggregate from multiple sources.

How to Request a Comparable Quote From Us

We manufacture coconut shell activated carbon for gold recovery at our facilities in Fujian and Ningxia, China. Monthly production capacity exceeds 700 tons across all grades.

To get a quote that you can directly compare against your other suppliers:

  1. Tell us your circuit type — CIL, CIP, or CIC
  2. Send your current carbon spec sheet — or the spec you're targeting
  3. Specify your volume — per shipment and annual estimate
  4. Name your delivery port — we'll quote both FOB and CIF

We provide:

Huamei black granular activated carbon spilling from glass jar onto yellow surface — coal-based or coconut shell GAC for water treatment and gold recovery

Our HMGOLD™ series is designed specifically for gold recovery operations:

Parâmetro HMGOLD™7000 HMGOLD™7500
Iodine number (ASTM D4607) ≥1100 mg/g ≥1150 mg/g
Hardness (ASTM D3802) ≥99% ≥98.5%
Ash content (ASTM D2866) ≤3% ≤3%
Particle size 6×12 mesh 6×12 mesh
Moisture (ASTM D2867) ≤5% ≤5%
Gold activity (K value) ≥25 mg Au/g ≥28 mg Au/g

We ship to gold mining operations in Tanzania, Ghana, Sudan, South Africa, Egypt, Niger, Djibouti, Azerbaijan, Ethiopia, and across Africa and Southeast Asia. MOQ is 10 tons (one 20-foot container).

Contact us with your specs and volume — we'll send a line-by-line comparable quote within 24 hours.

Perguntas Mais Frequentes

How much does gold recovery activated carbon cost per ton?

In 2026, coconut shell activated carbon for gold recovery (6×12 mesh, iodine ≥1050 mg/g ASTM, hardness ≥97% ASTM) ranges from $2,800 to $3,800 per ton FOB China. The price depends on iodine specification, hardness requirement, order volume, and whether acid washing is required. Coal-based alternatives for CIC applications range from $800 to $1,800 per ton. Always confirm the raw material, test method, and trade terms before comparing prices.

Why do gold recovery carbon quotes vary so much between suppliers?

Most of the variation comes from non-comparable terms rather than actual product differences. Different test methods (ASTM vs GB), different raw materials (coconut vs coal), different spec commitments (guaranteed minimum vs typical average), and different trade terms (FOB vs CIF) all create apparent price gaps. Normalizing all quotes to the same variables usually narrows the range significantly — and reveals which supplier is genuinely offering the best value.

Should I choose the cheapest activated carbon for my gold plant?

Almost certainly not. Carbon cost in a gold plant is driven by annual consumption (which depends on hardness and attrition rate) and gold lost to carbon fines — not just the purchase price per ton. A carbon that costs $800/ton more but lasts twice as many reactivation cycles with half the gold loss will save you multiples of that difference every year. Calculate cost per ounce of gold recovered, not cost per ton of carbon purchased.

What is the K value and why does it matter for gold carbon?

The K value measures gold adsorption activity — specifically, how much gold (in mg) one gram of carbon can load from a standard gold cyanide solution under controlled test conditions (typically the Mintek method). A higher K value means faster
htmlgold loading and higher equilibrium capacity. For CIL/CIP operations, a K value of ≥25 mg Au/g is considered standard; premium grades reach ≥28–32 mg Au/g. If a supplier can't provide K value data, they haven't tested their carbon for gold recovery performance.

How do I verify that the carbon I receive matches the quoted specs?

Three levels of verification: (1) Request a pre-production sample from the same raw material batch — test it at your lab or an independent lab. (2) Require pre-shipment composite sampling with third-party testing (SGS, Bureau Veritas, or Intertek) on the actual production batch before it ships. (3) On arrival, pull your own composite sample and retest key parameters (iodine, hardness, moisture, ash). A supplier who agrees to all three is a supplier you can trust.

56 Tons Gold Recovery Carbon: Repeat Order from Tanzania

In gold recovery, activated carbon is not a commodity you buy on price alone.

For mines running CIL (carbon-in-leach) and CIP (carbon-in-pulp) circuits, the carbon's particle size, adsorption capacity, mechanical strength, and attrition behavior all affect daily production and operating costs. A single batch with inconsistent specs can clog screens, reduce gold loading, or shorten reactivation cycles — problems that cost far more than whatever you saved on the purchase price.

That's why long-term carbon buyers care about two things above all else: specification consistency between shipments, and a supplier who can reliably meet their procurement schedule.

This Tanzania gold mine just placed their second order with Huamei Carbon — 56 tons of HMGOLD™ coconut shell activated carbon for their CIL circuit. Here's how this partnership developed from first contact to repeat purchase.

From First Order to Repeat Purchase

The relationship started when the mine was looking for a more consistent carbon supply. Their previous supplier's product had issues — uneven particle size and high ash content that made the carbon difficult to reactivate in the kiln.

That first order was 112 tons shipped in four 40-foot containers — a significant commitment for a new supplier relationship. The mine ran the carbon through their CIL circuit, confirmed the particle size uniformity, tested the reactivation performance, and tracked gold loading across multiple cycles.

The results held up. And when it was time to restock, they came back.

Why 56 Tons This Time?

The first order (112 tons) was an initial inventory fill — replacing the old carbon stock entirely. This 56-ton repeat order reflects the mine's ongoing consumption rate. For a CIL plant, annual fresh carbon consumption typically runs 50–200 tons depending on ore throughput, carbon attrition, and reactivation efficiency. A 56-ton order covers roughly 6–12 months of makeup carbon for a mid-size operation.

The shift from a large trial order to a regular resupply order is a normal pattern — and a good sign. It means the carbon is performing as expected in the circuit, and the mine has incorporated Huamei into their ongoing procurement plan rather than treating us as a one-time alternative.

Huamei HMGOLD coconut shell granular activated carbon for gold recovery, showing black carbon granules

Order Specifications

Item Details
Produto HMGOLD™ Coconut Shell Activated Carbon
Aplicação Gold recovery — CIL circuit
Destination Tanzania
Total volume 56 tons (2 × 40ft containers)
Tamanho da malha 6×12
Número de iodo ≥1100 mg/g
Ball-pan hardness ≥98%
Teor de cinzas <3%
Umidade ≤5%

Same specs as the first order — no changes. In gold carbon procurement, that's exactly what you want. When a mine finds a carbon grade that works in their circuit, they lock in the specification and expect every future shipment to match. Changing specs means re-tuning elution parameters, adjusting screen apertures, and potentially re-qualifying the carbon through plant trials.

What Consistency Actually Means in Practice

When we say "specification consistency," we're not talking about matching a datasheet. We mean batch-to-batch uniformity across the parameters that directly affect gold recovery operations:

Parâmetro Why Consistency Matters What Happens When It Varies
Particle size

distribution (6×12 mesh)

 Screens are calibrated for

a specific size range

 Undersized particles pass through screens

→ carbon loss. Oversized particles reduce

surface area → lower gold loading
Número de iodo

(≥1,100 mg/g)

 Directly correlates with

gold adsorption capacity

 Low iodine → lower gold loading

per kg of carbon

→ more carbon

needed per ounce

of gold recovered
Ball-pan hardness

(≥98%)

 Determines carbon

survival rate in the circuit

 Soft carbon breaks down faster

→ higher attrition losses

→ more frequent carbon replacement
Ash content (<3%) Affects reactivation

quality and carbon longevity

 High ash carbon → poor kiln reactivation

→ reduced cycle life

→ more fresh carbon purchases
Moisture (≤5%) Affects weight accuracy

and handling

 Excess moisture →

you're paying for water, not carbon.

Also causes clumping

during storage in tropical climates

For this 56-ton order, we pulled test samples from the production batch and compared results against the first 112-ton shipment's Certificate of Analysis. The numbers matched within normal production variance — not because we got lucky, but because the raw coconut shell source, activation process, and screening protocols haven't changed.

Supply Chain: From Order to Port

For repeat orders, the process is faster because specifications and logistics are already established:

  1. Order confirmation — Client confirms quantity (56 tons), same spec as previous PO. No re-negotiation needed.
  2. Production scheduling — Batch allocated from our monthly output (700+ tons/month capacity across Fujian and Ningxia facilities). Repeat orders get priority scheduling.
  3. Quality testing — Full in-house COA on the production batch: iodine, hardness, ash, moisture, particle size distribution. Results sent to client for approval before loading.
  4. Container loading — 56 tons loaded into 2 × 40ft containers. Loading photos and seal numbers sent to client.
  5. Shipping — Export documentation (commercial invoice, packing list, COA, MSDS, certificate of origin) prepared. Typical transit to Dar es Salaam: 25–35 days.

From order confirmation to cargo departure, the turnaround for a repeat order is typically 15–20 days — shorter than a first order because there's no sample stage, no spec negotiation, and no new logistics setup.

The Economics of Carbon Supplier Switching vs. Staying

Mining operations sometimes consider switching carbon suppliers to chase a lower price quote. Here's what that decision actually costs:

Factor Staying with Proven Supplier Switching to New Supplier
Sample testing Not needed 4–8 weeks for sample

+ lab testing
Plant trial Not needed 1–3 months of circuit

monitoring with new carbon
Risk of quality variance Low (track record established) Unknown until proven

in your circuit
Procurement lead time 15–20 days (repeat order) 8–16 weeks (sample

→ trial → first bulk order)
Operational disruption None Possible — if new carbon

behaves differently in

elution or reactivation
Price difference Known and stable May be 5–10% lower initially,

but hidden costs from above

factors can exceed savings

This is why experienced procurement managers at gold mines tend to maintain their carbon supplier — unless there's a genuine quality or supply failure. The cost of switching is real, even if it doesn't show up on the purchase order.

Gold mining and recovery using Huamei coconut shell granular activated carbon, featuring mining equipment, gold and carbon granules.

Tanzania: A Growing Gold Mining Market

Tanzania is Africa's fourth-largest gold producer, with major mining operations in the Lake Victoria Goldfields, Lupa Goldfield, and Mpanda Mineral Field. The country's gold mining sector has grown steadily, driven by both large-scale international operations and expanding medium-scale mines.

For activated carbon suppliers, Tanzania represents a consistent demand market:

Huamei Carbon currently supplies multiple clients in Tanzania. This 56-ton repeat order is one of several ongoing partnerships we maintain in the country.

Bill of lading for Huamei's 56-ton gold recovery activated carbon shipment to Tanzania, documenting the export shipment.

What This Order Means to Us

For us, the real measure of success is not completing a shipment — it's whether the customer comes back for the next one.

From order confirmation to cargo departure, we focus on three things: that the product specifications match what was agreed, that communication is clear and timely, and that the supply arrangement runs smoothly enough that the buyer doesn't need to think about it.

This 56-ton repeat order from Tanzania confirms that those three things are working. And it's a partnership we intend to maintain.

Working with Huamei Carbon

We produce casca de coco, à base de carvãoe wood-based activated carbon at our facilities in Fujian and Ningxia provinces, China. Monthly production capacity exceeds 700 tons.

For gold recovery, our HMGOLD™ series covers four grades — HMGOLD™6000, 7000, 7500, and PLUS — with iodine values from 1,050 to 1,200 mg/g, designed for CIP, CIL, and CIC circuits.

Whether you're sourcing gold recovery carbon for the first time or looking for a more consistent supply, the process starts the same way: tell us your specs and volume, and we'll send a quote with full technical data within 24 hours.

📱 WhatsApp: +86 181-3792-7803
📧 Email: sale@huameicarbon.com
🌐 Website: www.huameicarbon.com

Perguntas Mais Frequentes

Why do gold mines place repeat orders with the same activated carbon supplier?

Specification consistency. Gold recovery circuits are calibrated for a specific carbon grade — particle size, iodine number, hardness, and ash content. Switching suppliers introduces risk: the new carbon may behave differently during elution, reactivation, or screening. The cost of testing, trialing, and potentially disrupting production usually outweighs any savings from a lower per-ton price.

How often do CIL gold plants reorder activated carbon?

Most CIL plants place fresh carbon orders every 3–12 months, depending on plant size and carbon attrition rate. A mid-size CIL operation processing 2,000–5,000 tons of ore per day typically consumes 50–200 tons of fresh carbon per year. Regular reorders — like this 56-ton shipment — indicate the mine's normal consumption cycle.

What is the minimum order quantity for gold recovery activated carbon from China?

10 tons (one 20-foot container). For better freight economics, most buyers order in 26–28 ton increments (one 40-foot container). This 56-ton order shipped in two 40-foot containers — a common configuration for repeat orders.

How do you ensure activated carbon quality stays consistent between shipments?

Three controls: standardized raw material sourcing (same coconut shell grade from the same supply chain), consistent activation process parameters (temperature, steam ratio, residence time), and multi-stage quality testing on every production batch. We compare each batch's COA against previous shipments to the same client, flagging any drift before the carbon ships.

Can I get a sample before placing a bulk order?

Yes. We send 1–5 kg samples from the production line — not hand-picked samples. The sample comes from the same process that produces the bulk order, so test results are representative of what you'll receive. Sample testing typically takes 2–4 weeks including shipping and lab analysis.

44 Tons Gold Recovery Carbon Shipped to UK

We just shipped 44 tons of gold recovery activated carbon to a trading company in the United Kingdom — their fourth repeat order in under two years.

This shipment went out in two 40-foot containers, loaded with HMGOLD series coconut shell activated carbon sized at 6×12 mesh. The carbon is heading to CIL and CIP gold processing plants through our UK partner's distribution network.

Here's the story behind this order and why a UK-based trader keeps coming back to the same Chinese factory.

Client Background: A UK Activated Carbon Trader

Our client is a trading company based in the United Kingdom that supplies activated carbon to gold mining operations across multiple regions. They source carbon from manufacturers worldwide and distribute to end users — mining companies running CIL (carbon-in-leach) and CIP (carbon-in-pulp) circuits.

Trading companies like this one serve an important role in the supply chain: they hold inventory closer to the end user, offer faster delivery than ordering direct from China, and provide local-language support and documentation. For mining operations that need carbon on short notice — say, when a kiln run is delayed or consumption exceeds forecast — having a regional trader with stock on hand can prevent costly production gaps.

The tradeoff is margin. Traders need competitive factory pricing to remain profitable while offering fair prices to their mining clients. That's where the factory-direct relationship matters.

How the Partnership Started

The first conversation happened about two years ago. The client had been sourcing gold recovery carbon from suppliers in Southeast Asia and was looking for an alternative — not because of quality issues, but because their end users were expanding and they needed a second reliable source with consistent output and competitive pricing.

We went through the standard process:

  1. Technical discussion — they shared the specs their mining clients required: iodine number above 1050 mg/g, hardness above 97%, 6×12 mesh, moisture under 5%
  2. Sample shipment — we sent 50 kg of HMGOLD for their client's lab testing. The sample came from the same production line that would fulfill the bulk order — not a hand-picked "golden sample"
  3. Lab results came back positive — iodine, hardness, and activity matched the datasheet. The carbon performed well in their client's screening tests
  4. Trial order — one 20-foot container, approximately 13 tons. We arranged SGS pre-shipment inspection at their request
  5. First repeat order within 4 months — same specs, but this time a full 40-foot container (26 tons)

Since then, they've ordered consistently — scaling from single containers to this latest 44-ton, two-container shipment.

Close-up of coconut shell granular activated carbon granules alongside jumbo bags loaded on pallets inside a shipping container at Huamei Carbon factory

What We Shipped: 44 Tons of HMGOLD Coconut Shell Carbon

This order was straightforward because the specs were already proven through previous shipments:

Parâmetro Especificação
Produto HMGOLD series coconut shell activated carbon
Aplicação Recuperação de ouro (CIL/CIP)
Mesh Size 6×12
Número de iodo ≥1050 mg/g
Dureza ≥98%
Conteúdo de cinzas ≤3%
Umidade ≤5%
Quantity 44 tons

Nothing exotic here — and that's the point. For gold recovery carbon, consistency between batches matters more than pushing for the highest possible numbers on any single parameter. A mine running 24/7 needs to know that the carbon arriving this quarter will perform the same as last quarter's shipment.

Quality Control and Loading

Every shipment follows the same QC protocol, whether it's the first order or the tenth:

The fact that a client who started with mandatory SGS inspection now orders on in-house COA alone tells you something about how trust builds over time.

34 tons HMPAC-W22 activated carbon shipment to Italy

Why Trading Companies Choose Factory-Direct from China

For activated carbon traders, the economics are simple: the closer you buy to the production source, the more margin you have to work with downstream. But price alone doesn't sustain a trading relationship. What keeps traders coming back is:

Working with Huamei Carbon

We produce coconut shell, coal-based, and wood-based activated carbon at our facilities in Fujian and Ningxia provinces, China. For gold recovery applications, our HMGOLD series is specifically designed for CIL/CIP circuits — high iodine, high hardness, and tight particle size control to minimize gold loss from carbon attrition.

Whether you're a trading company looking for a reliable manufacturing partner, or a mining operation sourcing carbon directly, the process starts the same way: tell us your specs, and we'll send you a quote with full technical data within 24 hours.

Perguntas Mais Frequentes

What activated carbon is used for gold recovery?

Coconut shell granular activated carbon in 6×12 mesh is the industry standard for CIL and CIP gold processing. Key specs: iodine number above 1050 mg/g for adequate gold loading capacity, hardness above 97% to survive the abrasive circuit, and ash below 3% to minimize interference with gold elution.

How much activated carbon does a gold mine use per year?

It varies with ore throughput and circuit design, but typical consumption ranges from 20–80 grams of carbon per ton of ore processed. A mid-size CIL plant processing 500,000 tons of ore annually might consume 30–100 tons of fresh carbon per year, depending on carbon attrition rates and reactivation efficiency.

Can I buy gold recovery carbon from China?

Yes. China is one of the largest producers of coconut shell activated carbon for gold recovery. Buying factory-direct from a Chinese manufacturer typically offers 20–40% cost savings compared to purchasing through regional distributors, with the same quality when you verify specs through third-party testing (SGS, Bureau Veritas, Intertek).

What is the minimum order for gold recovery activated carbon?

Most Chinese manufacturers have a minimum order of 10 tons (one 20-foot container). For optimal freight economics, ordering 26–28 tons (one 40-foot container) is recommended. Multi-container orders like this 44-ton shipment further reduce per-ton logistics costs.

How do you ensure quality consistency between batches?

Through standardized production protocols, in-house testing of every batch against the agreed specification, and optional third-party pre-shipment inspection. We also document every loading with photos and video. Clients can request test reports from previous shipments to verify batch-to-batch consistency before placing their first order.